/Engine/Plugins/Experimental/VirtualProductionUtilities/Source/VPUtilities/Public/Widgets/VPFullScreenUserWidget.h
If usingEVPWidgetDisplayType::PostProcessWithBlendMaterial, you can specify a custom post process settings that should be modified.Bydefault, a new post process component is added toAWorldSettings.
void SetCustomPostProcessSettingsSource ( [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< [UObject](API\Runtime\CoreUObject\UObject\UObject) > InCustomPostProcessSettingsSource )